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Since i added my bridgestone dualer revos i noticed a pretty good drop in my gas mileage. I got nearly 350 miles on a tank when i was running the original bfgs with 40K on them but since i made the change im getting about 280 mles on a tank. After looking at the sidewall the dualers are 7 ply rating and the bgs were 6 ply rating so im thinking that the dualers are heavyer so that might contribute to the crappy milage. My truck is very well maintained and i dont have a heavy right foot. Is this normal to see with new tires? Im running the original tire size. Thanks.
 

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TRDUSA2002 said:
Since i added my bridgestone dualer revos i noticed a pretty good drop in my gas mileage. I got nearly 350 miles on a tank when i was running the original bfgs with 40K on them but since i made the change im getting about 280 mles on a tank. After looking at the sidewall the dualers are 7 ply rating and the bgs were 6 ply rating so im thinking that the dualers are heavyer so that might contribute to the crappy milage. My truck is very well maintained and i dont have a heavy right foot. Is this normal to see with new tires? Im running the original tire size. Thanks.
The weight will make a difference, also I'm sure your stock tires were well worn when you replaced them, making them even lighter. Same sized tires, aren't always the same size either, the smaller of the two will also create the illusion of better gas milage.

I don't think any of these things is enough to explain a 70 mile difference though. Winter gas? Look into that, my milage takes a nose dive in the winter because of it.
 

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Discussion Starter #3
mudferret said:
The weight will make a difference, also I'm sure your stock tires were well worn when you replaced them, making them even lighter. Same sized tires, aren't always the same size either, the smaller of the two will also create the illusion of better gas milage.

I don't think any of these things is enough to explain a 70 mile difference though. Winter gas? Look into that, my milage takes a nose dive in the winter because of it.
Thanks rob for the reply, ill be courious to see once spring/summer time hits if there are any differecne. I forgot about the winter gas issue.
 

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A worn 31" is more like a very light 30". Your new tires might be like a 31.5" or even bigger and heavier.
-Chris
 
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